dc_filter.h

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#pragma once
 
#include "processor.h"
#include "synth_constants.h"
 
namespace vital {
 
  class DcFilter : public Processor {
    public:
      static constexpr mono_float kCoefficientToSrConstant = 1.0f;
 
      enum {
        kAudio, 
        kReset, 
        kNumInputs
      };
 
      DcFilter();
 
      virtual ~DcFilter() { }
 
      virtual Processor* clone() const override { return new DcFilter(*this); }
 
      virtual void process(int num_samples) override;
 
      virtual void processWithInput(const poly_float* audio_in, int num_samples) override;
 
      void setSampleRate(int sample_rate) override;
 
      void tick(const poly_float& audio_in, poly_float& audio_out);
 
    private:
      void reset(poly_mask reset_mask) override;
 
      mono_float coefficient_;
 
      poly_float past_in_;
 
      poly_float past_out_;
 
      JUCE_LEAK_DETECTOR(DcFilter)
  };
} // namespace vital